Spoken in Noong Lay Commune, Sơn La, Vietnam (just south of the Black River). Data was collected from Lò Thị Ho, a 59-year-old female Laha speaker, by Jerold A. Edmondson. Lò was born 20 km from Noong Lay, in the Laha-speaking village of Nam Et.

The 5 Noong Lay Laha tones are:

• level: /33/
• rising: /24/
• falling: /42/
• rising-falling: /243/
• falling-rising: /423/

Andrew Hsiu